Chain drive is a way of transmitting mechanical power from one place to another place . It is often used to convey power to the wheels of a bicycles and motorcycles. It is also used transmission in of machines
Most often, the power is conveyed by a roller chain, known as the drive chain or transmission chain
passing over a sprocket gear, with the teeth of the gear meshing with the holes in the links of the chain. The gear is turned, and this pulls the chain putting mechanical force into the system. Another type of drive chain is the Morse chain,